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4

English

Outdoor Unit Installation Drawings

*

(Foot bolt-hole 

centres)

31

1

574

(Foot bolt-hole centres)

(From unit’

s side)

105.5

O.D. 9.5mm

Gas pipe

Liquid pipe

O.D. 6.4mm

15m

20m

Max. allowable piping 
length

Max. allowable piping
height

1.5m

Min. allowable piping 
length

Wrap the insulation pipe with 
the finishing tape from bottom 
to top.

In sites with poor drainage, use 
block bases for outdoor unit.  
Adjust foot height until the unit 
is leveled.  Otherwise, water 
leakage or pooling of water may 
occur.

Where there is a danger of the unit 
falling, use foot bolts, or wires.

250mm from wall

unit: mm

How to remove the stop 
valve cover

Remove the screw on the 
stop valve cover.
Slide the cover downward 
to remove it.

How to attach the stop 
valve cover

Insert the upper part of 
the stop valve cover into the 
outdoor unit.
Tighten the screws.

Stop valve cover

Allow space for piping 
and electrical servicing.

*

  The suggested shortest pipe length is 1.5m, in order to avoid 

noise from the outdoor unit and vibration. 

(Mechanical noise and vibration may occur depending on how 

the unit is installed and the environment in which it is used.)

Allow 300mm of 
work space below 
the ceilling surface

CAUTION

**Set the piping length 

from 1.5m to 20m.

Summary of Contents for ERWQ02AAV3

Page 1: ...INSTALLATION MANUAL R410A Split Series Models ERWQ02AAV3...

Page 2: ...pulations des 04 overeenkomstig de bepalingen van 05 siguiendo las disposiciones de 06 secondo le prescrizioni per 07 08 de acordo com o previsto em 09 10 under iagttagelse af bestemmelserne i 11 enli...

Page 3: ...nnections or wires Improper connections or securing of wires may result in abnormal heat build up or fire When wiring the power supply and connecting the wiring between the domestic hot water tank and...

Page 4: ...unctions smoke or fire Please instruct the customer to keep the area around the unit clean The temperature of refrigerant circuit will be high please keep the inter unit wire away from copper pipes th...

Page 5: ...heard even if they are more than 3m away depending on radio wave conditions 8 In coastal areas or other places with salty atmosphere of sulfate gas corrosion may shorten the life of the domestic hot w...

Page 6: ...there is a danger of the unit falling use foot bolts or wires 250mm from wall unit mm How to remove the stop valve cover Remove the screw on the stop valve cover Slide the cover downward to remove it...

Page 7: ...e foundation surface Outdoor Unit Installation 1 Installing outdoor unit 1 When installing the outdoor unit refer to Precautions for Selecting the Location and the Outdoor Unit Installation Drawings 2...

Page 8: ...rque wrenches when tightening the flare nuts to prevent damage to the flare nuts and gas leakage Align the centres of both flares and tighten the flare nuts 3 or 4 turns by hand Then tighten them full...

Page 9: ...charging hose which comes from gauge manifold to gas stop valve s service port 2 Fully open gauge manifold s low pressure valve Lo and completely close its high pressure valve Hi High pressure valve...

Page 10: ...is temperature 2 Be sure to insulate both the gas and liquid piping and to provide insulation dimensions as below 3 Use separate thermal insulation for gas and liquid refrigerant pipes Gas side Liquid...

Page 11: ...operation Using the outdoor unit pump down operation switch Push on SW1 with a screwdriver The operation will start Pump down operation will stop automatically after around 15 minutes To stop the ope...

Page 12: ...al block Observe the notes mentioned below when wiring to the power supply terminal block Precautions to be taken for power supply wiring CAUTION When connecting the connection wires to the terminal b...

Page 13: ...OUTDOOR Outdoor CONDENSER Condenser DISCHARGE Discharge C7 C8 Capacitor DB1 DB3 Diode bridge FU1 FU2 FU3 Fuse FU4 Field fuse IPM Intelligent power module L Live L803 L804 Reactor M1C Compressor motor...

Page 14: ...er is opened again 2 Test items Test items Symptom Check Domestic hot water tank and outdoor unit are installed properly on solid bases Fall vibration noise No refrigerant gas leaks Incomplete cooling...

Page 15: ......

Page 16: ...Copyright 2015 Daikin 4P410035 1 2015 05...

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